Around the world, Sussex (Sussex 
, ברייני 
) is an extremely rare epicene given name. More prevalently, Sussex is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sussex | Australia, United Kingdom, United States, New Zealand, Hong Kong |
| ברייני | Israel |
| watt of sussex King of Sussex (b. 700) |
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| berthun of sussex 7th-century Sussex nobleman (b. 700) |
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| oslac of sussex King of Sussex in the 8th century (b. 700) |
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| aelfwald of sussex King of Sussex (b. 750) |
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| giles sussex Peerage person ID=467434 |
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| bryni of sussex Anglo Saxon nble |
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| watt del sussex |
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